Science Advances

Supplementary Materials

This PDF file includes:

  • Alternative approaches to model transportation
  • Mapping from OSM Foundation shapefiles to network nodes and links
  • Population assignment algorithm
  • Distance factor of the likelihood of travel between nodes
  • Estimation of the traffic speed from the density of vehicles
  • Model calibration procedure
  • Sensitivity of the model to ramp speeds
  • Additional delay as a function of the severity of link disruption
  • table S1. Mapping original OSM types to network link types and assignment of the number of lanes.
  • table S2. The algorithm of the node population assignment.
  • table S3. Distance factor P(xod) of the likelihood of travel between nodes.
  • table S4. Model sensitivity to ramp speed coefficient.
  • fig. S1. Effects of the removal of nodes of degree 2.
  • fig. S2. Density-flow relationship in the Daganzo traffic model.
  • fig. S3. Model calibration.
  • fig. S4. Modeled delays for ramp speed coefficients of 1/3 and ½.
  • fig. S5. Dependency of the additional delay on the severity of the link disruption for all 40 urban areas.

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